Abstract: A display device installed in a vehicle includes a display, a reflectance control device, and a control circuit. The reflectance control device is capable of changing a reflectance for incident light. The control circuit controls the reflectance of the reflectance control device. The reflectance control device includes a first part and a second part. The first part is positioned in a first region overlapping the display surface when viewed in a normal direction being normal to the display surface. The second part is positioned in a second region surrounding the first region when viewed in the normal direction of the display surface. The control circuit controls a reflectance of the second part based on at least one of speed information indicating a speed of the vehicle and reverse information indicating whether the vehicle is reversing.

Abstract: An apparatus includes a developer container to and from which a replenishment container is attachable and detachable and which includes an accommodating portion and a replenishment port, a transfer portion configured to transfer a developer image on an image bearing member onto a recording material, a supporting tray including a supporting surface configured to support the recording material thereon, and a discharge portion configured to discharge the recording material, onto which the developer image has been transferred, on the supporting surface, wherein the supporting surface has an opening portion opening such that the replenishment port is exposed through the supporting surface, and wherein an opening/closing member configured to be movable between a closed position where the opening/closing member covers the replenishment port and serves as a part of the supporting surface and an open position where the replenishment port is exposed is provided.

Abstract: An information processing apparatus includes a processor configured to: acquire factor information, which is information on a factor that influences an amount of volatilization of moisture supplied to each of recording media to be bound from the recording medium; and set an amount of moisture to be supplied to the recording medium on a basis of the factor information.

Abstract: Provided is a process for producing a toner comprising steps of: dispersing a polymerizable monomer composition containing a polymerizable monomer, a polar resin, a colorant, and a wax component in a aqueous dispersion medium to granulate the polymerizable monomer composition; and polymerizing the polymerizable monomer, wherein the polymerizable monomer is a vinyl-based polymerizable monomer, the polar resin is a styrene-methacrylic acid copolymer or styrene-acrylic acid copolymer; the polymerizable monomer composition contains 0.0050 to 0.025 mass % of divinylbenzene; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) of 40° C. or higher and 60° C. or lower and a peak temperature (P1) of a highest endothermic peak measured with the DSC of 70° C. or higher and 110° C. or lower, and P1 and TgA satisfy a relationship of 15° C.?(P1?TgA)?70° C.

Abstract: Provided is a toner including toner particles each containing at least a binder resin, a colorant, and a wax component, and an inorganic fine powder, the toner being wherein: in a microscopic compression test on the toner, a recovery ratio Z(25) and the gradient of a load-displacement curve R(25) each satisfy a specific range; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) in a specific range and a temperature (P1) of the highest endothermic peak measured with the DSC in a specific range, and the temperature (P1) of the highest endothermic peak and the glass transition temperature (TgA) satisfy a specific relationship.

Abstract: Provided is anon-magnetic toner including toner particles each containing at least a binder resin, a colorant, and a wax component, and an inorganic fine powder, in which: (1) when a temperature in a temperature range of 50 to 80° C. at which a loss tangent (tan ?) shows a maximum is represented by T1, a storage elastic modulus of the toner at the temperature T1 (G?(T1)) satisfies a relationship of 5.00×107?G?(T1)?1.00×109 (dN/m2); (2) a continuous temperature range with a width of 15° C. or more in which the loss tangent (tan ?) is 0.80 to 2.00 is present in the temperature range of 50 to 80° C.; and (3) the loss tangent (tan ?) is 1.00 or more in a temperature range of 120 to 160° C.

Abstract: To achieve improvements in developing performance, transferring performance, and fixing performance, a toner has a glass transition temperature (TgA) of 40 to 60° C. and a temperature (P1) of the highest peak of 70 to 120° C.; cyclohexane (CHX) insoluble matter in the tetrahydrofuran (THF) soluble matter of the toner has a glass transition temperature (TgB) of 80 to 120° C.; TgA and TgB satisfy a specific formula; the toner has a viscosity at 100° C. of 5,000 to 30,000 Pa·s; and the cyclohexane (CHX) insoluble matter has an acid value of 5 to 40 mgKOH/g.

Abstract: Provided is a yellow toner having toner particles each containing at least a binder resin, a colorant, and a polar resin, the yellow toner being characterized in that: the colorant is a coloring compound having a specific structure; in a microscopic compression test at a measurement temperature of 25° C., the toner has a recovery ratio Z(25) of 40 to 80%; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) of 40° C. to 60° C. and a temperature (P1) of the highest endothermic peak measured with the DSC of 70° C. to 90° C., and the temperature (P1) of the highest endothermic peak and the glass transition temperature (TgA) satisfy the relationship of 15° C.?P1?TgA?50° C.

Abstract: Provided is anon-magnetic toner including toner particles each containing at least a binder resin, a colorant, and a wax component, and an inorganic fine powder, in which: (1) when a temperature in a temperature range of 50 to 80° C. at which a loss tangent (tan ?) shows a maximum is represented by T1, a storage elastic modulus of the toner at the temperature T1 (G?(T1)) satisfies a relationship of 5.00×107?G?(T1)?1.00×109 (dN/m2); (2) a continuous temperature range with a width of 15° C. or more in which the loss tangent (tan ?) is 0.80 to 2.00 is present in the temperature range of 50 to 80° C.; and (3) the loss tangent (tan ?) is 1.00 or more in a temperature range of 120 to 160° C.

Abstract: Provided is a toner including toner particles each containing at least a binder resin, a colorant, and a wax component, and an inorganic fine powder, the toner being wherein: in a microscopic compression test on the toner, a recovery ratio Z(25) and the gradient of a load-displacement curve R(25) each satisfy a specific range; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) in a specific range and a temperature (P1) of the highest endothermic peak measured with the DSC in a specific range, and the temperature (P1) of the highest endothermic peak and the glass transition temperature (TgA) satisfy a specific relationship.

Abstract: An object of the present invention is to achieve improvements in the developing performance, transferring performance, and fixing performance of toner. The object can be achieved with a toner having a glass transition temperature (TgA) of 40 to 60° C. and a temperature (P1) of the highest peak of 70 to 120° C.; cyclohexane (CHX) insoluble matter in the tetrahydrofuran (THF) soluble matter of the toner has a glass transition temperature (TgB) of 80 to 120° C.; TgA and TgB satisfy a specific formula; the toner has a viscosity at 100° C. of 5,000 to 30,000 Pa·s; and the cyclohexane (CHX) insoluble matter has an acid value of 5 to 40 mgKOH/g.

Abstract: A toner having a good chargeability stable against an environmental change is formed of toner particles each comprising at least a binder resin, a colorant, a release agent and a sulfur-containing polymer, and an external additive. The toner particles contain 100 to 30,000 ppm by weight thereof of at least one stabilizer element selected from the group consisting of magnesium, calcium, barium, zinc, aluminum and phosphorus. The toner particles may preferably be produced by suspension polymerization of a monomer composition containing the sulfur-containing polymer in an aqueous medium containing a dispersion stabilizer having the stabilizer element.

Abstract: A process for producing a polymerization toner, which comprises preparing a polymerizable-monomer composition which contains at least a polymerizable monomer and a colorant and does not contain any polymerization initiator, i) introducing the polymerizable-monomer composition into an aqueous medium to effect granulation, adding a polymerization initiator to the aqueous medium in the course of the granulation or after the granulation has been completed, or ii) adding a polymerization initiator in an aqueous medium, introducing the polymerizable-monomer composition into the aqueous medium to effect granulation, and then polymerizing the polymerizable-monomer composition having been granulated, to produce toner particles. In the process, the polymerization initiator is added in a specific time and a specific manner.

Abstract: A toner contains at least a binder resin, a colorant, a wax and an aluminum compound, wherein the binder resin has an acid value of 1 to 40 mgKOH/g; the binder resin contains 2% to 50% by weight of tetrahydrofuran (THF) based on the weight of the binder resin; a tetrahydrofuran-soluble matter of the binder resin has a main peak in a molecular weight range of from 2,000 to 30,000 in a chromatogram by gel permeation chromatography (GPC); and the aluminum compound is a specific aluminum compound of substituted or unsubstituted benzilic acid.

Abstract: A process for producing a polymerization toner, which comprises preparing a polymerizable-monomer composition which contains at least a polymerizable monomer and a colorant and does not contain any polymerization initiator, i) introducing the polymerizable-monomer composition into an aqueous medium to effect granulation, adding a polymerization initiator to the aqueous medium in the course of the granulation or after the granulation has been completed, or ii) adding a polymerization initiator in an aqueous medium, introducing the polymerizable-monomer composition into the aqueous medium to effect granulation, and then polymerizing the polymerizable-monomer composition having been granulated, to produce toner particles.

Abstract: A toner having a good chargeability stable against an environmental change is formed of toner particles each comprising at least a binder resin, a colorant, a release agent and a sulfur-containing polymer, and an external additive. The toner particles contain 100 to 30,000 ppm by weight thereof of at least one stabilizer element selected from the group consisting of magnesium, calcium, barium, zinc, aluminum and phosphorus. The toner particles may preferably be produced by suspension polymerization of a monomer composition containing the sulfur-containing polymer in an aqueous medium containing a dispersion stabilizer having the stabilizer element.

Abstract: In an image forming method for forming multi-color images or full-color images, first to third or fourth toners are used, and the amount of cross-linking agent contained in each of the toners becomes larger in the order of the toners laid on a recording sheet. Each of the toners has a color different from the others, the color selected from yellow, cyan, magenta and black.

Abstract: A toner which comprises toner particles containing a binder resin, a colorant, a polar resin and a release agent, wherein the binder resin is a styrene polymer, a styrene copolymer, or a mixture of these, and has a weight average molecular weight Mw.sub.1 of from 10,000 to 1,000,000, the polar resin is a polyester resin containing a tetrahydrofuran-soluble matter of which weight average molecular weight Mw.sub.2 is from 7,000 to 50,000 and an ethyl alcohol-soluble matter of which weight average molecular weight Mw.sub.3 is from 1,000 to 7,000, where Mw.sub.2 /Mw.sub.3 is from 1.2 to 10.

Abstract: An image forming method comprising;a charging step of electrostatically charging a photosensitive member;an exposure step of exposing the charged photosensitive member to form an electrostatic latent image;a developing step of bringing a toner carried on a developer carrying member, into contact with the surface of the photosensitive member to develop the electrostatic latent image to form a toner image on the photosensitive member;a transfer step of transferring the toner image formed on the photosensitive member, to a transfer medium; anda cleaning-at-development step of collecting the toner remaining on the photosensitive member after the transfer step, onto the developer carrying member;a wherein;the surface of said photosensitive member has a contact angle with water of 85.degree. or greater;said toner contains residual monomers in an amount not more than 1,000 ppm; andsaid toner has a shape factor SF-1 of from 100 to 180 and a shape factor SF-2 of from 100 to 140.

Abstract: A toner for developing electrostatic images, which comprises a binder resin, a colorant and a wax composition, characterized in that the wax composition has a molecular weight distribution as measured by GPC, having a maximum in the region of molecular weight of from 350 to 850 and a maximum in the region of molecular weight of from 900 to 4,000; and the wax composition contains an ester wax with a weight average molecular weight (Mw) of from 350 to 4,000 and a number average molecular weight of from 200 to 4,000.